[PATCH v4 3/6] dt-bindings: power: tegra: Add binding for core power domain
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2021-03-14 16:49:15
Also in:
linux-pm, linux-tegra, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
All NVIDIA Tegra SoCs have a core power domain where majority of hardware blocks reside. Add binding for the core power domain. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- .../power/nvidia,tegra20-core-domain.yaml | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/nvidia,tegra20-core-domain.yaml
diff --git a/Documentation/devicetree/bindings/power/nvidia,tegra20-core-domain.yaml b/Documentation/devicetree/bindings/power/nvidia,tegra20-core-domain.yaml
new file mode 100644
index 000000000000..4692489d780a
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/nvidia,tegra20-core-domain.yaml@@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/nvidia,tegra20-core-domain.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra Core Power Domain + +maintainers: + - Dmitry Osipenko <digetx@gmail.com> + - Jon Hunter <jonathanh@nvidia.com> + - Thierry Reding <thierry.reding@gmail.com> + +allOf: + - $ref: power-domain.yaml# + +properties: + compatible: + enum: + - nvidia,tegra20-core-domain + - nvidia,tegra30-core-domain + + operating-points-v2: + description: + Should contain level, voltages and opp-supported-hw property. + The supported-hw is a bitfield indicating SoC speedo or process + ID mask. + + "#power-domain-cells": + const: 0 + + power-supply: + description: + Phandle to voltage regulator connected to the SoC Core power rail. + +required: + - compatible + - operating-points-v2 + - "#power-domain-cells" + - power-supply + +additionalProperties: false + +examples: + - | + power-domain { + compatible = "nvidia,tegra20-core-domain"; + operating-points-v2 = <&opp_table>; + power-supply = <®ulator>; + #power-domain-cells = <0>; + };
--
2.30.2